int32 aq_fillable(void)
{
int fillable;
if(!IS_STREAM_TRACE)
return 0;
if(play_mode->acntl(PM_REQ_GETFILLABLE, &fillable) != -1)
return fillable;
return device_qsize / Bps - aq_filled();
}
double aq_filled_ratio(void)
{
double ratio;
if(!IS_STREAM_TRACE)
return 1.0;
ratio = (double)aq_filled() * Bps / device_qsize;
if(ratio > 1.0)
return 1.0; /* for safety */
return ratio;
}
static void display_aq_ratio(void)
{
static int last_rate = -1;
int rate, devsiz;
if((devsiz = aq_get_dev_queuesize()) == 0)
return;
rate = (int)(((double)(aq_filled() + aq_soft_filled()) / devsiz)
* 100 + 0.5);
if(rate > 999)
rate = 1000;
Panel->aq_ratio = rate;
if(last_rate != rate) {
last_rate = Panel->aq_ratio = rate;
Panel->changed = 1;
}
}
int aq_flush(int discard)
{
int rc;
int more_trace;
/* to avoid infinite loop */
double t, timeout_expect;
aq_add_count = 0;
init_effect();
if(discard)
{
trace_flush();
if(play_mode->acntl(PM_REQ_DISCARD, NULL) != -1)
{
flush_buckets();
return RC_NONE;
}
ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
"ERROR: Can't discard audio buffer");
}
if(!IS_STREAM_TRACE)
{
play_mode->acntl(PM_REQ_FLUSH, NULL);
play_counter = play_offset_counter = 0;
return RC_NONE;
}
rc = aq_soft_flush();
if(RC_IS_SKIP_FILE(rc))
return rc;
more_trace = 1;
t = get_current_calender_time();
timeout_expect = t + (double)aq_filled() / play_mode->rate;
while(more_trace || aq_filled() > 0)
{
rc = check_apply_control();
if(RC_IS_SKIP_FILE(rc))
{
play_mode->acntl(PM_REQ_DISCARD, NULL);
flush_buckets();
return rc;
}
more_trace = trace_loop();
t = get_current_calender_time();
if(t >= timeout_expect - 0.1)
break;
if(!more_trace)
usleep((unsigned long)((timeout_expect - t) * 1000000));
else
aq_wait_ticks();
}
trace_flush();
play_mode->acntl(PM_REQ_FLUSH, NULL);
flush_buckets();
return RC_NONE;
}
